1 files changed, 8 insertions, 35 deletions

diff --git a/sound/soc/codecs/wm8903.c b/sound/soc/codecs/wm8903.c
index c038b3e..cc6b0ef 100644
--- a/sound/soc/codecs/wm8903.c
+++ b/sound/soc/codecs/wm8903.c
@@ -26,6 +26,7 @@
 #include <linux/regmap.h>
 #include <linux/slab.h>
 #include <linux/irq.h>
+#include <linux/mutex.h>
 #include <sound/core.h>
 #include <sound/jack.h>
 #include <sound/pcm.h>
@@ -117,12 +118,12 @@ static const struct reg_default wm8903_reg_defaults[] = {
 struct wm8903_priv {
 	struct wm8903_platform_data *pdata;
 	struct device *dev;
-	struct snd_soc_codec *codec;
 	struct regmap *regmap;
 
 	int sysclk;
 	int irq;
 
+	struct mutex lock;
 	int fs;
 	int deemph;
 
@@ -457,7 +458,7 @@ static int wm8903_put_deemph(struct snd_kcontrol *kcontrol,
 	if (deemph > 1)
 		return -EINVAL;
 
-	mutex_lock(&codec->mutex);
+	mutex_lock(&wm8903->lock);
 	if (wm8903->deemph != deemph) {
 		wm8903->deemph = deemph;
 
@@ -465,7 +466,7 @@ static int wm8903_put_deemph(struct snd_kcontrol *kcontrol,
 
 		ret = 1;
 	}
-	mutex_unlock(&codec->mutex);
+	mutex_unlock(&wm8903->lock);
 
 	return ret;
 }
@@ -1757,21 +1758,12 @@ static struct snd_soc_dai_driver wm8903_dai = {
 	.symmetric_rates = 1,
 };
 
-static int wm8903_suspend(struct snd_soc_codec *codec)
-{
-	wm8903_set_bias_level(codec, SND_SOC_BIAS_OFF);
-
-	return 0;
-}
-
 static int wm8903_resume(struct snd_soc_codec *codec)
 {
 	struct wm8903_priv *wm8903 = snd_soc_codec_get_drvdata(codec);
 
 	regcache_sync(wm8903->regmap);
 
-	wm8903_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
-
 	return 0;
 }
 
@@ -1889,33 +1881,12 @@ static void wm8903_free_gpio(struct wm8903_priv *wm8903)
 }
 #endif
 
-static int wm8903_probe(struct snd_soc_codec *codec)
-{
-	struct wm8903_priv *wm8903 = snd_soc_codec_get_drvdata(codec);
-
-	wm8903->codec = codec;
-
-	/* power on device */
-	wm8903_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
-
-	return 0;
-}
-
-/* power down chip */
-static int wm8903_remove(struct snd_soc_codec *codec)
-{
-	wm8903_set_bias_level(codec, SND_SOC_BIAS_OFF);
-
-	return 0;
-}
-
 static struct snd_soc_codec_driver soc_codec_dev_wm8903 = {
-	.probe =	wm8903_probe,
-	.remove =	wm8903_remove,
-	.suspend =	wm8903_suspend,
 	.resume =	wm8903_resume,
 	.set_bias_level = wm8903_set_bias_level,
 	.seq_notifier = wm8903_seq_notifier,
+	.suspend_bias_off = true,
+
 	.controls = wm8903_snd_controls,
 	.num_controls = ARRAY_SIZE(wm8903_snd_controls),
 	.dapm_widgets = wm8903_dapm_widgets,
@@ -2023,6 +1994,8 @@ static int wm8903_i2c_probe(struct i2c_client *i2c,
 			      GFP_KERNEL);
 	if (wm8903 == NULL)
 		return -ENOMEM;
+
+	mutex_init(&wm8903->lock);
 	wm8903->dev = &i2c->dev;
 
 	wm8903->regmap = devm_regmap_init_i2c(i2c, &wm8903_regmap);